S-A node

A form of sinoatrial node — A group of cells located in the wall of the right atrium of the heart that originates the impulses stimulating the heartbeat.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounS-A node (plural S-A nodes)

plural S-A nodes

  1. abbreviationAbbreviation of sinoatrial node.
Cite this entry
APA

S-A node. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/S-A%20node

MLA

“S-A node.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/S-A%20node. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “S-A node,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/S-A%20node.

Source: S-A node on Wiktionary, CC BY-SA 4.0.